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Finding the Fourth Proportional to 3,046.78, 4,570.19 and 966.79

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Solution

The fourth proportional to 3,046.78, 4,570.19 and 966.79 is: 1,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.78 : 4,570.19 = 966.79 : x
  2. Step 2: Convert to fraction form
    3,046.78/4,570.19 = 966.79/x
  3. Step 3: Cross multiply
    3,046.78x = 4,570.19 × 966.79
  4. Step 4: Simplify right side
    3,046.78x = 4,418,401.36
  5. Step 5: Solve for x
    x = 4,418,401.36/3,046.78
  6. Step 6: Final answer
    x = 1,450.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.